Versions (5)
Version DetailsCurrent
Rev: 2 • Nov 9, 2015, 12:00 PMET MALWARE Likely Evil EXE download from dotted Quad by MSXMLHTTP M2
alert http $EXTERNAL_NET any -> $HOME_NET any (msg:"ET MALWARE Likely Evil EXE download from dotted Quad by MSXMLHTTP M2"; flow:established,to_client; file_data; content:"MZ"; within:2; byte_jump:4,58,relative,little; content:"PE|00 00|"; distance:-64; within:4; flowbits:isset,et.MS.XMLHTTP.ip.request; classtype:trojan-activity; sid:2022051; rev:2; metadata:created_at 2015_11_09, confidence Medium, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2019_07_26;)
Nov 9, 2015, 12:00 PM
Jul 26, 2019, 12:00 PM
Sep 21, 2024, 3:00 AM
Oct 3, 2025, 8:34 PM
rules/emerging-malware.rules